The vitamin that controls the browning in fruits by the help enzymes is? A) Vitamin K B) Vitamin C C) Vitamin B D) Vitamin D Related MCQs: The vitamin that is produced by the body and is not found in fruits and vegetables? Metal ions used by many enzymes to change their non-functional active sites to functional ones are called? Restriction enzymes are synthesized by? ……. controls all the main slide control tasks for your presentation.